JPS56147115A - Star-type coupler for multimode optical fiber and method of manufacturing mixer element thereof - Google Patents
Star-type coupler for multimode optical fiber and method of manufacturing mixer element thereofInfo
- Publication number
- JPS56147115A JPS56147115A JP4162381A JP4162381A JPS56147115A JP S56147115 A JPS56147115 A JP S56147115A JP 4162381 A JP4162381 A JP 4162381A JP 4162381 A JP4162381 A JP 4162381A JP S56147115 A JPS56147115 A JP S56147115A
- Authority
- JP
- Japan
- Prior art keywords
- star
- optical fiber
- multimode optical
- type coupler
- mixer element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000013307 optical fiber Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803011059 DE3011059A1 (en) | 1980-03-21 | 1980-03-21 | OPTICAL STAR COUPLER WITH PLANAR MIXING ELEMENT |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56147115A true JPS56147115A (en) | 1981-11-14 |
Family
ID=6097969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4162381A Pending JPS56147115A (en) | 1980-03-21 | 1981-03-20 | Star-type coupler for multimode optical fiber and method of manufacturing mixer element thereof |
Country Status (4)
Country | Link |
---|---|
US (1) | US4449783A (en) |
EP (1) | EP0037006B1 (en) |
JP (1) | JPS56147115A (en) |
DE (1) | DE3011059A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036044A1 (en) * | 1980-09-24 | 1982-05-06 | Siemens AG, 1000 Berlin und 8000 München | OPTICAL STAR COUPLER WITH PLANAR MIXING ELEMENT |
CA1249742A (en) * | 1983-12-08 | 1989-02-07 | Yves Tremblay | Fiber optic star coupler |
US4676594A (en) * | 1984-11-16 | 1987-06-30 | American Telephone And Telegraph Company | Optical fiber mode scrambler |
US4725128A (en) * | 1985-11-20 | 1988-02-16 | Medtronic, Inc. | Method for delivering light from multiple light emitting diodes over a single optical fiber |
DE3619324A1 (en) * | 1986-06-09 | 1987-12-10 | Kabelmetal Electro Gmbh | Local area network |
GB2220764B (en) * | 1988-07-15 | 1992-02-19 | Stc Plc | Single mode couplers |
US4913508A (en) * | 1988-09-30 | 1990-04-03 | At&T Bell Laboratories | Passive optical device |
JPH02120706A (en) * | 1988-10-31 | 1990-05-08 | Sumitomo Electric Ind Ltd | Optical transmission path |
US5109448A (en) * | 1989-01-12 | 1992-04-28 | Codenoll Technology Corporation | Injection molded star-couplers and methods of making same |
CA2045149C (en) * | 1989-01-12 | 1999-05-18 | Michael H. Coden | Injection molded star-couplers and methods of making same |
US5019301A (en) * | 1989-01-12 | 1991-05-28 | Codenoll Technology Corporation | Method of injection molding star-couplers |
US5035480A (en) * | 1989-09-06 | 1991-07-30 | Codenoll Technology Corporation | Star-couplers with biconical mixing elements and methods for making the same |
JPH03220507A (en) * | 1990-01-26 | 1991-09-27 | Seiko Giken:Kk | Multi-division optical branching/synthesizing device |
US4995692A (en) * | 1990-02-06 | 1991-02-26 | General Motors Corporation | Fiber optic star coupler |
US5271079A (en) * | 1991-11-08 | 1993-12-14 | Finisar Corporation | Light mixing device with fiber optic output |
US6416960B1 (en) | 1996-08-08 | 2002-07-09 | Prolume, Ltd. | Detection and visualization of neoplastic tissues and other tissues |
ATE290205T1 (en) | 1996-12-12 | 2005-03-15 | Prolume Ltd | DEVICE AND METHOD FOR DETECTING AND IDENTIFYING INFECTIOUS ACTIVE SUBSTANCES |
US6310721B2 (en) | 1998-12-11 | 2001-10-30 | International Technologies (Lasers) Ltd. | Night vision monocular |
US6389209B1 (en) * | 1999-09-07 | 2002-05-14 | Agere Systems Optoelectronics Guardian Corp. | Strain free planar optical waveguides |
JP4303138B2 (en) * | 2004-01-28 | 2009-07-29 | 富士フイルム株式会社 | Communication system using sheet light guide |
US8606058B2 (en) * | 2009-04-30 | 2013-12-10 | Hewlett-Packard Development Company, L.P. | Multi-channel optical coupler |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5584602A (en) * | 1978-02-16 | 1980-06-26 | Tampella Oy Ab | Method of discharging chipped lumber and device for chipping lumber |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3870398A (en) * | 1973-07-05 | 1975-03-11 | Corning Glass Works | Passive coupler for optical communication system |
US3904582A (en) * | 1974-07-30 | 1975-09-09 | Bell Telephone Labor Inc | Antioxidants for polyolefins |
US3902786A (en) * | 1974-11-29 | 1975-09-02 | Us Navy | Optical access coupler for fiber bundles |
FR2298806A1 (en) * | 1975-01-22 | 1976-08-20 | Thomson Csf | OPTICAL COUPLING DEVICE FOR INTERCONNECTION OF |
FR2366588A1 (en) * | 1976-10-01 | 1978-04-28 | Thomson Csf | MULTI-CHANNEL COUPLER FOR OPTICAL FIBER LINK |
JPS5360651A (en) * | 1976-11-12 | 1978-05-31 | Hitachi Ltd | Semiconductor laser with optical fibers |
FR2372442A1 (en) * | 1976-11-30 | 1978-06-23 | Thomson Csf | COUPLING DEVICE FOR INTERCONNECTION OF OPTICAL WAVEGUIDES AND OPTICAL TRANSMISSION SYSTEM INCLUDING SUCH A DEVICE |
DE2812346A1 (en) * | 1977-03-23 | 1978-09-28 | Tokyo Shibaura Electric Co | LIGHT DISTRIBUTOR |
FR2389150A1 (en) * | 1977-04-29 | 1978-11-24 | Thomson Csf | MULTI-CHANNEL COUPLER FOR OPTICAL FIBER LINKS |
JPS547948A (en) * | 1977-06-21 | 1979-01-20 | Nippon Telegr & Teleph Corp <Ntt> | Optical circuit of high molecule |
DE2743368A1 (en) * | 1977-09-27 | 1979-08-09 | Siemens Ag | CORE-COAT GLASS FIBER WITH LATERAL COUPLING AREA |
US4213670A (en) * | 1977-10-06 | 1980-07-22 | The United States Of America As Represented By The Secretary Of The Navy | Planar fiber optic star and access coupler |
US4285570A (en) * | 1977-10-14 | 1981-08-25 | Nippon Electric Company, Ltd. | Light branching device |
DE2915114A1 (en) * | 1979-04-12 | 1980-10-23 | Siemens Ag | OPTICAL STAR COUPLER FOR MULTIMODE LIGHT FIBERS |
-
1980
- 1980-03-21 DE DE19803011059 patent/DE3011059A1/en not_active Ceased
-
1981
- 1981-03-05 US US06/240,870 patent/US4449783A/en not_active Expired - Fee Related
- 1981-03-17 EP EP81101986A patent/EP0037006B1/en not_active Expired
- 1981-03-20 JP JP4162381A patent/JPS56147115A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5584602A (en) * | 1978-02-16 | 1980-06-26 | Tampella Oy Ab | Method of discharging chipped lumber and device for chipping lumber |
Also Published As
Publication number | Publication date |
---|---|
US4449783A (en) | 1984-05-22 |
EP0037006A1 (en) | 1981-10-07 |
EP0037006B1 (en) | 1984-06-27 |
DE3011059A1 (en) | 1981-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56147115A (en) | Star-type coupler for multimode optical fiber and method of manufacturing mixer element thereof | |
JPS5788422A (en) | Star-shaped coupler for multi-mode optical fiber and manufacture thereof | |
IL65376A (en) | Polarization retaining single-mode optical waveguide fiber and method of fabrication | |
DE3171940D1 (en) | Optical fiber connector and method of producing same | |
JPS5562418A (en) | Optical fiber connector and method of making same | |
IL64040A0 (en) | Fiber optical waveguide and its manufacture | |
JPS54130044A (en) | Optical waveguide and method of fabricating same | |
KR880700284A (en) | Optical fiber coupler and molding method | |
GB2100463B (en) | Testing alignment of and joining optical fibers | |
JPS57118043A (en) | Optical fiber manufacturing method and apparatus | |
JPS5517200A (en) | Connecting method of optical fiber | |
MX152511A (en) | IMPROVEMENTS IN CABLE OF OPTICAL FIBERS AND MANUFACTURING METHOD | |
JPS54158244A (en) | Optical fiber terminal member and method of fabricating same | |
GB8305654D0 (en) | Optical waveguide splicing method | |
DE3066435D1 (en) | Method for connecting optical fibers and optical fiber connector | |
DE3267868D1 (en) | Optical fiber splice and method for joining fibers | |
IL71740A0 (en) | Polarization-retaining single-mode optical waveguide | |
DE3569826D1 (en) | Apparatus for measuring the cut-off wavelength of a single-mode optical fiber | |
JPS5753709A (en) | Plural refraction optical fiber and method of manufacturing same | |
JPS52108143A (en) | Multiimode optical fiber coupler and method of manufacturing the same | |
JPS578512A (en) | Optical fiber coupler | |
DE3568269D1 (en) | Method of fusion splicing optical fibers | |
DE3065681D1 (en) | Optical fibres cable and method of manufacturing it | |
DE3169558D1 (en) | Improved method of molding optical fiber connectors | |
GB2189595B (en) | Method of determining optical fiber splice loss |